p-Phenylenediamine, the allergen of the year? Why now? Granted, p-phenylenediamine (PPD) has been the leading permanent hair coloring agent or oxidative hair dye in most of the Western world since ...

Dermatitis. 2005;16(4):209-215.

Dr Shane Oliver, Head of Investment Strategy & Chief Economist at AMP, discusses developments in investment markets over the ...